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.500 bore 18H inners vs 6H inners

Posted: Tue Nov 07, 2023 5:10 pm
by gregwaits
I’ve got a pretty clean .500 / 8” post-Elkhart 18H. The plating on the inner slides is perfect. To the best of anyone’s knowledge would they work on a 6H? If so, I’m cannibalizing it to replace the ones on my ‘56.

Re: .500 bore 18H inners vs 6H inners

Posted: Tue Nov 07, 2023 9:44 pm
by hornbuilder
I would put money on them being the exact same part.

Re: .500 bore 18H inners vs 6H inners

Posted: Wed Nov 08, 2023 5:47 am
by Glog
18H bore 484" bell 7 1/2"

Re: .500 bore 18H inners vs 6H inners

Posted: Wed Nov 08, 2023 6:12 am
by hornbuilder
Greg, you measured the tubes at .500"?

Re: .500 bore 18H inners vs 6H inners

Posted: Wed Nov 08, 2023 11:10 am
by Mamaposaune
The post-Elkhart 18H's are .500 bore with an 8" bell.
During the Elkhart years, the 18H was the coprion-belled
version of the 14H, and had a .485 bore with a 7 1/2" bell.